how do you appreciate the working of iris
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Iris consists of muscles which helps in controlling the amount of light entering the eye through pupil.
Increase of low light the iris makes the pupil to expand and allow more light to
enter the eye.
In case of bright (or) excess light the iris makes the pupil to contract in order to decrease the amount of light entering the eye. The iris consists of muscles that expand and contract the pupil .
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